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The CPT® Code 84307 refers to a laboratory test specifically designed to measure the levels of somatostatin in the blood. Somatostatin, also known as growth hormone-inhibiting hormone (GHIH) or somatotropin release-inhibiting factor (SRIF), is a crucial inhibitory hormone that plays a significant role in the regulation of the endocrine system. It is produced in various locations within the body, including the stomach, intestine, delta cells of the pancreas, and the brain. The primary function of somatostatin is to inhibit the release of several secondary hormones, which include thyroid-stimulating hormone, growth hormone, and various gastrointestinal hormones. This regulation is vital for maintaining hormonal balance and proper physiological function. To perform this test, a blood sample is collected through a procedure known as venipuncture, which is separately reportable. The plasma obtained from the blood sample is then analyzed using a quantitative extraction method combined with radioimmunoassay techniques, allowing for precise measurement of somatostatin levels in the bloodstream.
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The somatostatin blood test (CPT® Code 84307) is indicated for various clinical scenarios where the measurement of somatostatin levels is necessary. The following conditions may warrant this test:
The procedure for obtaining a somatostatin level involves several key steps that ensure accurate measurement and analysis. First, a qualified healthcare professional will perform venipuncture, which is the process of puncturing a vein to collect a blood sample. This step is crucial as it provides the plasma needed for testing. The site of venipuncture is typically cleaned and prepared to minimize the risk of infection. Once the blood is drawn, it is collected into a suitable container, often containing anticoagulants to prevent clotting. After collection, the plasma is separated from the blood cells through centrifugation. The next step involves the quantitative extraction of the plasma, which is essential for isolating somatostatin from other components. Finally, the somatostatin levels are measured using a radioimmunoassay technique, which allows for precise quantification of this hormone in the plasma sample.
After the blood sample has been collected for the somatostatin test, there are generally no specific post-procedure care requirements for the patient. However, it is advisable for the patient to remain hydrated and to follow any additional instructions provided by the healthcare professional. The results of the test will typically be analyzed and reported back to the ordering physician, who will interpret the findings in the context of the patient's overall clinical picture. If the somatostatin levels are found to be abnormal, further diagnostic evaluations or treatments may be considered based on the clinical indications.
| Short Descr | ASSAY OF SOMATOSTATIN | Medium Descr | ASSAY OF SOMATOSTATIN | Long Descr | Somatostatin | Status Code | Statutory Exclusion (from MPFS, may be paid under other methodologies) | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 9 - Not Applicable | Multiple Procedures (51) | 9 - Concept does not apply. | Bilateral Surgery (50) | 9 - Concept does not apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 9 - Concept does not apply. | Co-Surgeons (62) | 9 - Concept does not apply. | Team Surgery (66) | 9 - Concept does not apply. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | CLIA Waived (QW) | No | APC Status Indicator | Conditionally packaged laboratory tests | Type of Service (TOS) | 5 - Diagnostic Laboratory | Berenson-Eggers TOS (BETOS) | T1H - Lab tests - other (non-Medicare fee schedule) | MUE | 1 | CCS Clinical Classification | 233 - Laboratory - Chemistry and Hematology |
| 90 | Reference (outside) laboratory: when laboratory procedures are performed by a party other than the treating or reporting physician or other qualified health care professional, the procedure may be identified by adding modifier 90 to the usual procedure number. |
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| 2013-01-01 | Changed | Medium Descriptor changed. |
| 1993-01-01 | Added | First appearance in code book in 1993. |
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